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General Health & Fitness
Nutrition and Supplements
Creatine, Hematocrit, and Kidney Function..
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<blockquote data-quote="BigTex" data-source="post: 260631" data-attributes="member: 43589"><p>Absolutely. Creatine, regardless of the source converts to creatinine as a result of energy metabolism. So creatinine is a chemical waste molecule that is generated from muscle metabolism.</p><p></p><p>[ATTACH=full]34995[/ATTACH]</p><p></p><p>Not only will creatine supplement cause a false positive, it is important to remember that even high muscle mass alone can independently correlate with high levels of serum creatinine. This is due to increased supply and turnover of creatine phosphate. High intensity training can also cause this false positive. Since creatine is in all meats, high protein diets can also cause this false positive.</p><p></p><p>I might suggest that the <a href="https://www.discountedlabs.com/cystatin-c-test" target="_blank"><strong>cystatin C</strong></a> blood test is better for you next time.</p><p></p><p>As far as HCT.....Robinson TM, Sewell DA, Casey A, et al. Dietary creatine supplementation <strong>does not affect</strong> some haematological indices, or indices of muscle damage and hepatic and renal function.</p><p></p><p>[URL unfurl="true"]https://pubmed.ncbi.nlm.nih.gov/10953902/#:~:text=These%20increases%20were%20probably%20attributable%20to%20increased%20creatinine,or%20muscle%20damage%20was%20apparent%20after%20Cr%20supplementation.[/URL]</p></blockquote><p></p>
[QUOTE="BigTex, post: 260631, member: 43589"] Absolutely. Creatine, regardless of the source converts to creatinine as a result of energy metabolism. So creatinine is a chemical waste molecule that is generated from muscle metabolism. [ATTACH type="full" alt="1690654802010.jpeg"]34995[/ATTACH] Not only will creatine supplement cause a false positive, it is important to remember that even high muscle mass alone can independently correlate with high levels of serum creatinine. This is due to increased supply and turnover of creatine phosphate. High intensity training can also cause this false positive. Since creatine is in all meats, high protein diets can also cause this false positive. I might suggest that the [URL='https://www.discountedlabs.com/cystatin-c-test'][B]cystatin C[/B][/URL] blood test is better for you next time. As far as HCT.....Robinson TM, Sewell DA, Casey A, et al. Dietary creatine supplementation [B]does not affect[/B] some haematological indices, or indices of muscle damage and hepatic and renal function. [URL unfurl="true"]https://pubmed.ncbi.nlm.nih.gov/10953902/#:~:text=These%20increases%20were%20probably%20attributable%20to%20increased%20creatinine,or%20muscle%20damage%20was%20apparent%20after%20Cr%20supplementation.[/URL] [/QUOTE]
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General Health & Fitness
Nutrition and Supplements
Creatine, Hematocrit, and Kidney Function..
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